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Lattice Semiconductor PAC-Designer 6.21 Symbol Value Buffer Overflow

This module exploits a vulnerability found in Lattice Semiconductor PAC-Designer 6.21. As a .pac file, when supplying a long string of data to the 'value' field under the 'SymbolicSchematicData' tag, it is possible to cause a memory corruption on the stack, which results in arbitrary code execution under the context of the user.

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Module Name



  • Unknown
  • juan vazquez <juan.vazquez [at]>
  • sinn3r <sinn3r [at]>



  • PAC-Designer 6.21 on Windows XP SP3


  • windows



Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/windows/fileformat/lattice_pac_bof msf exploit(lattice_pac_bof) > show targets ...targets... msf exploit(lattice_pac_bof) > set TARGET <target-id> msf exploit(lattice_pac_bof) > show options and set options... msf exploit(lattice_pac_bof) > exploit